ICDcodes.org
FY2027

K91.5 — Postcholecystectomy syndrome

Billable

Is K91.5 billable?

Yes — K91.5 is billable for FY2027. K91.5 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. K91.5 may be submitted for encounters from October 1, 2026 through September 30, 2027.

K91.5 at a glance

CodeK91.5
DescriptionPostcholecystectomy syndrome
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does K91.5 group to?

K91.5 sits in MDC 07 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 444Disorders of the Biliary Tract with MCCmedical
  • 445Disorders of the Biliary Tract with CCmedical
  • 446Disorders of the Biliary Tract without CC/MCCmedical

How is K91.5 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to K91.5. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Postcholecystectomy syndrome
  • Remnant › cystic duct, postcholecystectomy
  • Syndrome › cystic duct stump
  • Syndrome › postcholecystectomy
  • Complication › surgical procedure › postcholecystectomy syndrome (s) (from) (of)
  • Complication › gastrointestinal › postoperative › postcholecystectomy syndrome (s) (from) (of)

Excludes2 — not included here — inherited from Chapter 11

The conditions below are not part of K91.5, but a patient may have both at the same time. When documentation supports it, K91.5 and the excluded code may both be reported.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Excludes2 — not included here — inherited from K91

The conditions below are not part of K91.5, but a patient may have both at the same time. When documentation supports it, K91.5 and the excluded code may both be reported.

  • complications of artificial opening of digestive system (K94.-)
  • complications of bariatric procedures (K95.-)
  • gastrojejunal ulcer (K28.-)
  • postprocedural (radiation) retroperitoneal abscess (K68.11)
  • radiation colitis (K52.0)
  • radiation gastroenteritis (K52.0)
  • radiation proctitis (K62.7)

How long has K91.5 existed?

K91.5 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which codes are confused with K91.5?

ICD-10-CM declares these codes mutually exclusive with K91.5 — exactly one of each pair can be correct for a given encounter.

What other codes are in the K91 family? (7)